feat: verbose security

This commit is contained in:
fukusuket
2025-04-04 08:09:03 +09:00
parent 750eeb4d45
commit 243f8fdd0a

View File

@@ -21,7 +21,7 @@ function CountRules {
$counts[$rule.level]++
}
}
$status = if ($filterd_rules[0].applicable) { ": enabled" } else { ": disabled" }
$status = if ($filterd_rules[0].applicable) { " enabled" } else { " disabled" }
$result = "$status (critical: $($counts['critical']) | high: $($counts['high']) | medium: $($counts['medium']) | low: $($counts['low']), info: $($counts['informational']))"
return $result
}
@@ -109,11 +109,11 @@ function ShowVerboseSecurity {
$msg = @"
Detailed Security category settings:
Account Logon
- Credential Validation $m_credential_validation
- Credential Validation: $m_credential_validation
- Volume: Depends on NTLM usage. Could be high on DCs and low on clients and servers.
- Default settings: Client OS: No Auditing | Server OS: Success
- Recommended settings: Client and Server OSes: Success and Failure
- Kerberos Authentication Service $m_kerberos_authentication_service
- Kerberos Authentication Service: $m_kerberos_authentication_service
- Volume: High
- Default settings: Client OS: No Auditing | Server OS: Success
- Recommended settings: Client OS: No Auditing | Server OS: Success and Failure
@@ -122,174 +122,174 @@ Account Logon
- Default settings: Client OS: No Auditing | Server OS: Success
- Recommended settings: Domain Controllers: Success and Failure
Account Management
- Computer Account Management $m_computer_account_management
- Computer Account Management: $m_computer_account_management
- Volume: Low
- Default settings: Client OS: No Auditing | Server OS: Success Only
- Recommended settings: Domain Controllers: Success and Failure
- Other Account Management Events $m_other_account_management
- Other Account Management Events: $m_other_account_management
- Volume: Low
- Default settings: No Auditing
- Recommended settings: Success and Failure
- Security Group Management $m_security_group_management
- Security Group Management: $m_security_group_management
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
- User Account Management $m_user_account_management
- User Account Management: $m_user_account_management
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
Detailed Tracking
- Plug and Play Events $m_plug_and_play_events
- Plug and Play Events: $m_plug_and_play_events
- Volume: Typcially low
- Default settings: No Auditing
- Recommended settings: Success and Failure
- Process Creation $m_process_creation
- Process Creation: $m_process_creation
- Volume: High
- Default settings: No Auditing
- Recommended settings: Success and Failure if sysmon is not configured.
- Process Termination $m_process_termination
- Process Termination: $m_process_termination
- Volume: High
- Default settings: No Auditing
- Recommended settings: No Auditing unless you want to track the lifespan of processes.
- RPC (Remote Procedure Call) Events $m_rpc_events
- RPC (Remote Procedure Call) Events: $m_rpc_events
- Volume: High on RPC servers (According to Microsoft)
- Default settings: No Auditing
- Recommended settings: Unknown. Needs testing.
- Token Right Adjusted Events $m_token_right_adjusted_events
- Token Right Adjusted Events: $m_token_right_adjusted_events
- Volume: Unknown
- Default settings: No Auditing
- Recommended settings: Unknown. Needs testing.
DS (Directory Service) Access
- Directory Service Access $m_directory_service_access
- Directory Service Access: $m_directory_service_access
- Volume: High
- Default settings: Client OS: No Auditing | Server OS: Success
- Recommended settings: Client OS: No Auditing | ADDS Server: Success and Failure
- Directory Service Changes $m_directory_service_changes
- Directory Service Changes: $m_directory_service_changes
- Volume: High
- Default settings: No Auditing
- Recommended settings: Client OS: No Auditing | ADDS Server: Success and Failure
Logon/Logoff
- Account Lockout $m_account_lockout
- Account Lockout: $m_account_lockout
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
- Group Membership $m_group_membership
- Group Membership: $m_group_membership
- Volume: Adds an extra 4627 event to every logon.
- Default settings: No Auditing
- Recommended settings: No Auditing
- Logoff $m_logoff
- Logoff: $m_logoff
- Volume: High
- Default settings: Success
- Recommended settings: Success
- Logon $m_logon
- Logon: $m_logon
- Volume: Low on clients, medium on DCs or network servers
- Default settings: Client OS: Success | Server OS: Success and Failure
- Recommended settings: Success and Failure
- Other Logon/Logoff Events $m_other_logon_logoff_events
- Other Logon/Logoff Events: $m_other_logon_logoff_events
- Volume: Low
- Default settings: No Auditing
- Recommended settings: Success and Failure
- Special Logon $m_special_logon
- Special Logon: $m_special_logon
- Volume: Low on clients. Medium on DC or network servers.
- Default settings: Success
- Recommended settings: Success and Failure
Object Access
- Certification Services $m_certification_services
- Certification Services: $m_certification_services
- Volume: Low to medium
- Default settings: No Auditing
- Recommended settings: Success and Failure for AD CS role servers.
- Detailed File Share $m_detailed_file_share
- Detailed File Share: $m_detailed_file_share
- Volume: Very high for file servers and DCs, however, may be necessary if you want to track who is accessing what files as well as detect various lateral movement.
- Default settings: No Auditing
- Recommended settings: No Auditing due to the high noise level. Enable if you can though.
- File Share $m_file_share
- File Share: $m_file_share
- Volume: High for file servers and DCs.
- Default settings: No Auditing
- Recommended settings: Success and Failure
- File System $m_file_system
- File System: $m_file_system
- Volume: Depends on SACL rules
- Default settings: No Auditing
- Recommended settings: Enable SACLs just for sensitive files
- Filtering Platform Connection $m_filtering_platform_connection
- Filtering Platform Connection: $m_filtering_platform_connection
- Volume: High
- Default settings: No Auditing
- Recommended settings: Success and Failure if you have enough space and are not monitoring network connections with sysmon. This should cause a high amount of events though.
- Filtering Platform Packet Drop $m_filtering_platform_packet_drop
- Filtering Platform Packet Drop: $m_filtering_platform_packet_drop
- Volume: High
- Default settings: No Auditing
- Recommended settings: Success and Failure if you have enough space and are not monitoring network connections with sysmon. This should cause a high amount of events though.
- Kernel Object $m_kernel_object
- Kernel Object: $m_kernel_object
- Volume: High if auditing access of global object access is enabled
- Default settings: No Auditing
- Recommended settings: Success and Failure but do not enable Audit the access of global system objects as you will generate too many 4663: Object Access events.
- Handle Manipulation $m_handle_manipulation
- Handle Manipulation: $m_handle_manipulation
- Volume: High
- Default settings: No Auditing
- Recommended settings: Success and Failure
- Other Object Access Events $m_other_object_access_events
- Other Object Access Events: $m_other_object_access_events
- Volume: Low
- Default settings: No Auditing
- Recommended settings: Success and Failure
- Registry $m_registry
- Registry: $m_registry
- Volume: Depends on SACLs
- Default settings: No Auditing
- Recommended settings: Set SACLs for only the registry keys that you want to monitor
- Removable Storage $m_removable_storage
- Removable Storage: $m_removable_storage
- Volume: Depends on how much removable storage is used
- Default settings: No Auditing
- Recommended settings: Success and Failure if you want to monitor external device usage.
- SAM $m_sam
- SAM: $m_sam
- Volume: High volume of events on Domain Controllers
- Default settings: No Auditing
- Recommended settings: Success and Failure if you can but may cause too high volume of noise so should be tested beforehand.
Policy Change
- Audit Policy Change $m_audit_policy_change
- Audit Policy Change: $m_audit_policy_change
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
- Authentication Policy Change $m_authentication_policy_change
- Authentication Policy Change: $m_authentication_policy_change
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
- Authorization Policy Change $m_authorization_policy_change
- Authorization Policy Change: $m_authorization_policy_change
- Volume: Medium to High
- Default settings: No Auditing
- Recommended settings: Unknown. Needs testing.
- Filtering Platform Policy Change $m_filtering_platform_policy_change
- Filtering Platform Policy Change: $m_filtering_platform_policy_change
- Volume: Low
- Default settings: No Auditing
- Recommended settings: Unknown, Needs testing.
- MPSSVC Rule-Level Policy Change $m_mpssvc_rule_level_policy_change
- MPSSVC Rule-Level Policy Change: $m_mpssvc_rule_level_policy_change
- Volume: Low
- Default settings: No Auditing
- Recommended settings: Unknown. Needs testing.
- Other Policy Change Events $m_other_policy_change_events
- Other Policy Change Events: $m_other_policy_change_events
- Volume: Low
- Default settings: No Auditing
- Recommended settings: No Auditing (Note: ACSC recommends Success and Failure, however, this results in a lot of noise of 5447 (A Windows Filtering Platform filter has been changed) events being generated.)
Privilege Use
- Non Sensitive Use Events $m_non_sensitive_use_events
- Non Sensitive Use Events: $m_non_sensitive_use_events
- Volume: Very high
- Default settings: No Auditing
- Recommended settings: No Auditing
- Sensitive Privilege Use $m_sensitive_privilege_use
- Sensitive Privilege Use: $m_sensitive_privilege_use
- Volume: High
- Default settings: No Auditing
- Recommended settings: Success and Failure However, this may be too noisy.
System
- Other System Events $m_other_system_events
- Other System Events: $m_other_system_events
- Volume: Low
- Default settings: Success and Failure
- Recommended settings: Unknown. Needs testing.
- Security State Change $m_security_state_change
- Security State Change: $m_security_state_change
- Volume: Low
- Default settings: Success
- Recommended settings: Success and Failure
- Security System Extension $m_security_system_extension
- Security System Extension: $m_security_system_extension
- Volume: Low, but more on DCs
- Default settings: No Auditing
- Recommended settings: Success and Failure
- System Integrity $m_system_integrity
- System Integrity: $m_system_integrity
- Volume: Low
- Default settings: Sucess, Failure
- Recommended settings: Success and Failure